package main

import (
	"fmt"
	"os"
	"strconv"
)

func main() {
	fmt.Println(os.Args[1])
	fmt.Println("hello world")
	a := 10
	s := strconv.Itoa(a)
	fmt.Println("111")
	if b, c := strconv.Atoi(s + "1hgh"); c == nil {
	} else {
		fmt.Println(b)
		fmt.Println("不能转")

	}
	os.Exit(1)
}
